05 Network+Internet Layer, Subnet Masks, NAT, Routing in Packet Tracer | Computer Networks Basics recluze
1.3K views · 42 likes · 2 years ago
Learn CompTIA Certifications — Free Video Roadmap
A step-by-step path through the best free CompTIA Certifications videos on YouTube — beginner to advanced, in the order that actually makes sense. YouTube channels for CompTIA certifications including A+, Network+, and Security+. Learn IT fundamentals, networking, security concepts, and exam preparation.
To learn CompTIA Certifications in 2026, follow this order: start with a beginner crash course, then a full course, then advanced deep dives. This roadmap sequences 20 of the best free YouTube videos — beginning with "05 Network+Internet Layer, Subnet Masks, NAT, Routing in Packet Tracer | Computer Networks Basics" by recluze (1,274 views).
Explore CompTIA Certifications
Step 1
Start Here
Beginner-friendly CompTIA Certifications intros and crash courses
18:32 CompTIA Security+ Introduction | Start Your Cybersecurity Career | Day 1 Fresh Developer (Sapium Security)
526 views · 8 likes · 5 months ago
9:05 
9:05 
6:46 Step 2
Core Skills
Full courses and comprehensive CompTIA Certifications tutorials
2:21:30 Professor Messer's Security+ SY0-701 Study Group - January 2026 Professor Messer
27.7K views · 909 likes · 6 months ago
2:22:18 Professor Messer's SY0-701 Security+ Study Group - October 2025 Professor Messer
25.8K views · 825 likes · 9 months ago
2:14:26 Professor Messer's SY0-701 Security+ Study Group - July 2025 Professor Messer
25K views · 778 likes · 1 year ago
2:39:35 Professor Messer's SY0-701 Security+ Study Group - September 2025 Professor Messer
22.4K views · 725 likes · 10 months ago
2:37:48 Professor Messer's SY0-701 Security+ Study Group - June 2025 Professor Messer
22.4K views · 691 likes · 1 year ago
2:24:49 Professor Messer's Security+ SY0-701 Study Group - February 2026 Professor Messer
20.4K views · 583 likes · 5 months ago
Step 3
Advanced & Deep Dives
Go deeper into CompTIA Certifications internals and real-world use
14:04 Security+ SY0-701 PBQ Example | Performance Based Question Ransomware Risk Architecture | #20 MLA Tech
2.2K views · 58 likes · 5 months ago
17:06 CompTIA Security+ | Zero Trust Architecture (ZTA) | Easy Explanation with Examples | Day 5 Fresh Developer (Sapium Security)
94 views · 2 likes · 4 months ago
20:43 Master Threat Modeling & Intelligence | CompTIA Security+ SY0-701 Full Course | Day 12 Fresh Developer (Sapium Security)
40 views · 1 likes · 3 months ago
1:07 I am a CompTIA Security Analytics Expert (CSAE) Information Technology
39 views · 2 likes · 10 months ago
Step 4
Stay Current
The freshest CompTIA Certifications videos from the last 6 months
2:28:20 Professor Messer's Security+ SY0-701 Study Group - March 2026 Professor Messer
16K views · 506 likes · 4 months ago
2:31:56 Professor Messer's Security+ SY0-701 Study Group - April 2026 Professor Messer
15.2K views · 535 likes · 2 months ago
2:30:16 Professor Messer's Network+ N10-009 Study Group - February 2026 Professor Messer
10.8K views · 321 likes · 5 months ago
2:25:42 Professor Messer's Network+ N10-009 Study Group - March 2026 Professor Messer
10.5K views · 329 likes · 4 months ago
2:25:57 Professor Messer's Network+ N10-009 Study Group - April 2026 Professor Messer
7.8K views · 302 likes · 3 months ago